No, but this thread is bullshift.
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Hmm yeah, Hyper, PSC and Hynix etc can all degrade.
As far as this thread goes, I ran 2.2v 24/7 on D9 GTS for months up to 2.4v benching.
Combination of heat, high voltages and excessive overclocks kill parts, more voltages than overclocks or heat usually, and what is safe usually depends on the specific IC.